Beckman Coulter HHPC 6+ Manual Del Usuario página 14

HHPC 6+, HHPC 3+, HHPC 2+ USER MANUAL
Operation
To update or change a setting:
1
In the instrument menus, navigate to Sample Setup.
2
Use the UP or DOWN ARROW keys to navigate to Data Display Setup, then push the SELECT
button.
The display shows the Data Display Setup screen.
3
Configure the settings. The Data Display Setup screen includes check-boxes, radio buttons and
drop down menu fields. Refer to the help screen for more information.
The Sample screen changes to agree with the display setup. Characteristics such as font size
may be different for different configurations.
Verify instrument operation
Electrical noise, sensor leakage or other interference can cause the instrument to give incorrect
data.
To make sure the instrument operates correctly:
1
Attach the Zero-Count Filter.
2
In the Data Display Setup screen, select the 0.3 μm channel and set the Concentration mode to
COUNTS.
3
In the Sample Setup screen, set the sample time to 5 minutes, the hold time to 00:00:00, the
delay time to 00:00:03, the MODE to Automatic and the number of CYCLES to 2.
4
Start the Product sampling and let it complete the 2 x 5 minute samples.
5
Examine the particle counts in the last sample. Counts must align with these specifications for
instrument operation to be verified: No more than 1 particle > 0.3 μm in 5 minutes.
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DOC026.97.80271, Edition 9